#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <stdint.h>
int run=0;


void sigcb(int no)
{
  printf("run: %d---stop runing!\n",run);
}
int main()
{
  signal(SIGINT,sigcb);
  uint64_t tmp=0;
  while(run)
  {
    tmp++;
  }
  printf("over\n");
  return 0;
}
